Available Grants in Southampton City
Residents in the Southampton City Council area can access several government-funded energy efficiency schemes. Here's what's currently available:
ECO4 Scheme
The Energy Company Obligation (ECO4) provides 100% free energy improvements to households receiving qualifying benefits. Measures include loft insulation, cavity wall insulation, solid wall insulation, boiler replacements, solar panels, and air source heat pumps. Your property needs an EPC rating of D, E, F, or G.
Great British Insulation Scheme (GBIS)
The GBIS provides free or heavily subsidised insulation to properties in council tax bands A-D (England). No means test is required — eligibility is based on your property, not your income.
Boiler Upgrade Scheme (BUS)
The Boiler Upgrade Scheme offers £7,500 towards an air source heat pump or £5,000 towards a ground source heat pump. Available to all homeowners in England and Wales with a valid EPC certificate.
Warm Home Discount
A £150 discount on your electricity bill each winter. Most eligible households receive this automatically.
EPC Ratings in Southampton City
Based on our analysis of 100 recent EPC assessments in the Southampton City Council area:
Rating Distribution
40.0% of assessed properties in this area have an EPC rating of D or below, making them potentially eligible for ECO4 energy improvements. This is around the national average.
Property Types
| Type | Share |
|---|---|
| House | 49.0% |
| Flat | 43.0% |
| Maisonette | 4.0% |
| Bungalow | 4.0% |
LA Flex Eligibility — Southampton City
Even if you don't receive qualifying benefits, you may still qualify for ECO4 through the Local Authority Flexible Eligibility (LA Flex) route. Each council sets its own criteria.
Southampton City Council — LA Flex
Southampton's Healthy Homes programme provides LA Flex referrals alongside health intervention pathways. Focus on Shirley, Millbrook, and Freemantle.
How to Apply
- Check your eligibility — Enter your postcode above or use our eligibility checker
- Get matched with installers — We'll connect you with TrustMark-registered, PAS 2030/2035-certified installers in Southampton City
- Free home survey — An assessor visits to evaluate your property and recommend measures
- Installation — Approved contractors carry out the work, usually within 4-8 weeks
📋 Sources & Data
- EPC data sourced from Open EPC Register (DLUHC)
- Ofgem — ECO4 Programme Data
- DESNZ — Household Energy Efficiency Statistics
- LA Flex criteria sourced from Southampton City Council published guidance
- Last verified: 4 March 2026